Spartoo, the French online shoe retailer, has opened a virtual store for the Spanish market, offering discounts of up to 60 percent on some models and guaranteeing deliveries within six days. The website of the 4-year-old e-tailer already has pages in French, English, Italian and German, offering more than 15,000 styles by about 400 brands. It receives more than 5 million unique visits each month.